Thank you for posting your inquiry here in Microsoft Community, TomDiBari.
Try to use the reset this PC option in the settings. Select Start Windows logo Start button > Settings >Update & Security > Recovery. > Under Reset this PC, select Get started. > Then follow on-screen instructions.
The new user has to create her own Microsoft Account using her e-mail. After the reset, the device will start a fresh system just like the first time you set up the device. In the process of setting up everything, you can use her Microsoft Account as a log in option.
Let me know if you have further questions by replying on this post.